:root {
  --ink: #071d2d;
  --ink-2: #0c2b3d;
  --paper: #f4f2ea;
  --paper-2: #e9e7dd;
  --teal: #3fbea8;
  --teal-bright: #72e0ca;
  --gold: #eab86b;
  --coral: #ed775f;
  --white: #fff;
  --muted: #9dafb8;
  --line: rgba(7, 29, 45, .13);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "DM Sans", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.dialog-open { overflow: hidden; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }

.skip-link { position: fixed; left: 16px; top: -80px; z-index: 999; background: white; padding: 12px 16px; border-radius: 8px; }
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(24px, 5vw, 76px);
  color: white;
  border-bottom: 1px solid rgba(255,255,255,.13);
  transition: background .35s, height .35s, box-shadow .35s;
}
.site-header.scrolled { height: 68px; background: rgba(7,29,45,.94); box-shadow: 0 10px 35px rgba(0,0,0,.12); backdrop-filter: blur(16px); }
.brand { display: inline-flex; align-items: center; gap: 14px; }
.brand-logo { display: block; width: 126px; height: auto; object-fit: contain; }
.brand-company { display: flex; flex-direction: column; line-height: .92; padding-left: 14px; border-left: 1px solid rgba(255,255,255,.24); }
.brand-company strong { font: 800 17px/1 "Manrope", sans-serif; letter-spacing: .13em; }
.brand-company small { font-size: 6.5px; letter-spacing: .16em; margin-top: 7px; opacity: .7; white-space: nowrap; }
.site-header nav { display: flex; align-items: center; gap: clamp(20px, 2.5vw, 40px); font-size: 13px; }
.site-header nav > a { position: relative; opacity: .78; }
.site-header nav > a::after { content: ""; position: absolute; left: 0; bottom: -7px; width: 0; height: 1px; background: var(--teal-bright); transition: width .25s; }
.site-header nav > a:hover { opacity: 1; }
.site-header nav > a:hover::after { width: 100%; }
.nav-toggle { display: none; background: transparent; border: 0; width: 40px; height: 40px; }
.nav-toggle span { display: block; width: 24px; height: 1px; background: white; margin: 7px auto; }

.button {
  border: 0;
  border-radius: 999px;
  background: var(--teal-bright);
  color: var(--ink);
  min-height: 52px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(60, 190, 167, .15);
  transition: transform .2s, background .2s, box-shadow .2s;
}
.button:hover { transform: translateY(-2px); background: #8cedd9; box-shadow: 0 17px 36px rgba(60,190,167,.25); }
.button-small { min-height: 40px; padding: 0 18px; font-size: 12px; }

.hero { min-height: 780px; height: 100svh; max-height: 1040px; color: white; background: var(--ink); position: relative; overflow: hidden; display: grid; place-items: center; padding: 115px clamp(24px, 5vw, 76px) 74px; }
.hero::before { content: ""; position: absolute; width: 720px; height: 720px; border-radius: 50%; right: -250px; top: -300px; background: radial-gradient(circle, rgba(63,190,168,.17), transparent 67%); }
.hero::after { content: ""; position: absolute; inset: 0; opacity: .08; pointer-events: none; background-image: linear-gradient(rgba(255,255,255,.25) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.25) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(90deg, #000, transparent 62%); }
.hero-grid { width: 100%; max-width: 1460px; display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(470px, .96fr); gap: clamp(36px, 6vw, 100px); align-items: center; position: relative; z-index: 2; }
.eyebrow { font-size: 11px; font-weight: 700; letter-spacing: .2em; color: var(--teal-bright); display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
.eyebrow span { width: 32px; height: 1px; background: currentColor; }
.hero h1 { max-width: 740px; margin: 0; font: 600 clamp(50px, 5.2vw, 86px)/.99 "Manrope", sans-serif; letter-spacing: -.055em; }
.hero h1 em { color: var(--gold); font-style: normal; }
.hero-lead { max-width: 640px; color: #b9c7ce; font-size: clamp(17px, 1.3vw, 20px); line-height: 1.65; margin: 30px 0 34px; }
.hero-actions { display: flex; align-items: center; gap: 28px; }
.text-link { padding: 14px 0; font-weight: 600; font-size: 14px; color: #dbe5e8; border-bottom: 1px solid rgba(255,255,255,.25); }
.trust-list { list-style: none; display: flex; gap: 32px; padding: 0; margin: 56px 0 0; font-size: 12px; color: #9fb0b9; }
.trust-list li { display: flex; gap: 9px; align-items: center; }
.trust-list span { color: var(--teal-bright); font-size: 9px; }
.network-card { min-height: 525px; border: 1px solid rgba(255,255,255,.15); background: linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.025)); border-radius: 30px; box-shadow: 0 42px 85px rgba(0,0,0,.25); overflow: hidden; position: relative; backdrop-filter: blur(12px); }
.network-head, .network-foot { height: 62px; padding: 0 22px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.11); color: #94aab4; font-size: 9px; letter-spacing: .17em; }
.network-head b { display: flex; align-items: center; gap: 7px; color: var(--teal-bright); font-weight: 500; }
.network-head b i { display: block; width: 6px; height: 6px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 5px rgba(114,224,202,.12); animation: pulse 2s infinite; }
.network-map { height: 401px; position: relative; }
.network-map svg { width: 100%; height: 100%; position: absolute; inset: 0; }
.route { fill: none; stroke: url(#lineGradient); stroke-width: 1.4; stroke-dasharray: 6 7; animation: flow 16s linear infinite; }
.route-2 { animation-duration: 21s; }
.route-3 { animation-duration: 12s; }
.ring { fill: none; stroke: rgba(114,224,202,.35); stroke-width: 1; transform-box: fill-box; transform-origin: center; animation: ring 2.8s infinite; }
.dot { fill: var(--teal-bright); filter: drop-shadow(0 0 8px rgba(114,224,202,.8)); }
.map-label { position: absolute; min-width: 120px; text-align: left; padding: 9px 12px; border-radius: 10px; border: 1px solid rgba(255,255,255,.13); background: rgba(7,29,45,.78); color: white; cursor: pointer; transition: transform .2s, border-color .2s; }
.map-label:hover { transform: translateY(-3px); border-color: var(--teal-bright); }
.map-label b, .map-label small { display: block; }
.map-label b { font-size: 12px; }
.map-label small { font-size: 9px; color: #8fa5af; margin-top: 3px; }
.map-lujan { left: 3%; top: 12%; }
.map-laplata { left: 47%; top: 33%; }
.map-mdp { left: 40%; bottom: 3%; }
.map-bahia { right: 1%; bottom: 10%; }
.network-foot { height: 62px; border-bottom: 0; border-top: 1px solid rgba(255,255,255,.11); justify-content: space-around; letter-spacing: .06em; }
.network-foot span { padding: 0 13px; border-right: 1px solid rgba(255,255,255,.1); }
.network-foot span:last-child { border: 0; }
.network-foot b { color: white; font-size: 13px; }
.scroll-cue { position: absolute; z-index: 3; left: clamp(24px, 5vw, 76px); bottom: 28px; color: #718994; font-size: 8px; letter-spacing: .25em; display: flex; align-items: center; gap: 11px; }
.scroll-cue span { width: 24px; height: 36px; border: 1px solid #536c77; border-radius: 99px; position: relative; }
.scroll-cue span::after { content: ""; width: 2px; height: 7px; border-radius: 2px; background: var(--teal-bright); position: absolute; top: 7px; left: 10px; animation: scroll 1.8s infinite; }

.model-section { padding: clamp(90px, 10vw, 150px) clamp(24px, 7vw, 110px); max-width: 1640px; margin: auto; }
.section-heading { display: grid; grid-template-columns: .5fr 1.25fr .75fr; gap: 38px; align-items: start; margin-bottom: 70px; }
.section-index { font-size: 10px; letter-spacing: .2em; font-weight: 700; color: #51707b; margin: 10px 0 0; }
.section-heading h2, .fit-intro h2 { font: 600 clamp(38px, 4.3vw, 65px)/1.06 "Manrope", sans-serif; letter-spacing: -.045em; margin: 0; }
.section-heading > p:last-child { color: #60757d; font-size: 16px; line-height: 1.65; margin: 9px 0 0; }
.model-layout { display: grid; grid-template-columns: .9fr 1.1fr; border-top: 1px solid var(--line); min-height: 490px; }
.model-tabs { border-right: 1px solid var(--line); }
.model-tab { width: 100%; min-height: 155px; border: 0; border-bottom: 1px solid var(--line); background: transparent; padding: 28px 42px 28px 8px; text-align: left; display: grid; grid-template-columns: 42px 1fr; align-content: center; cursor: pointer; transition: padding .25s, background .25s; }
.model-tab span { grid-row: 1 / 3; font-size: 10px; color: #83969e; margin-top: 4px; }
.model-tab b { font: 600 23px "Manrope", sans-serif; }
.model-tab small { color: #768990; font-size: 13px; margin-top: 6px; }
.model-tab.active { background: white; padding-left: 28px; }
.model-tab.active b { color: #087967; }
.model-panels { position: relative; background: white; }
.model-panel { min-height: 100%; padding: clamp(44px, 6vw, 82px); position: relative; overflow: hidden; animation: panelIn .45s both; }
.panel-number { position: absolute; right: 28px; bottom: -50px; color: #f1f3ee; font: 800 220px/1 "Manrope", sans-serif; letter-spacing: -.12em; }
.panel-kicker { color: #09816e; font-size: 10px; font-weight: 700; letter-spacing: .2em; }
.model-panel h3 { position: relative; max-width: 600px; font: 600 clamp(34px, 3.1vw, 50px)/1.08 "Manrope", sans-serif; letter-spacing: -.04em; margin: 25px 0; }
.model-panel > p:not(.panel-kicker) { position: relative; max-width: 600px; line-height: 1.7; color: #5f737b; }
.model-panel ul { position: relative; list-style: none; padding: 0; margin: 32px 0 0; }
.model-panel li { margin: 13px 0; padding-left: 22px; font-size: 14px; }
.model-panel li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--teal); position: absolute; margin-left: -21px; margin-top: 6px; }

.coverage-section { background: var(--ink-2); color: white; padding: clamp(90px, 10vw, 150px) clamp(24px, 7vw, 110px); }
.coverage-section > * { max-width: 1420px; margin-left: auto; margin-right: auto; }
.section-heading.light .section-index { color: var(--teal-bright); }
.section-heading.light > p:last-child { color: #9cafb7; }
.location-explorer { display: grid; grid-template-columns: .72fr 1.28fr; min-height: 540px; border: 1px solid rgba(255,255,255,.13); border-radius: var(--radius); overflow: hidden; }
.location-list { background: rgba(4,20,31,.42); }
.location-item { width: 100%; height: 135px; padding: 0 30px; color: white; background: transparent; border: 0; border-bottom: 1px solid rgba(255,255,255,.1); display: grid; grid-template-columns: 38px 1fr auto; align-items: center; text-align: left; cursor: pointer; transition: background .25s, padding .25s; }
.location-item > span { font-size: 9px; color: #718b95; }
.location-item div { display: flex; flex-direction: column; gap: 6px; }
.location-item b { font: 600 22px "Manrope", sans-serif; }
.location-item small { color: #8299a2; }
.location-item i { font-style: normal; opacity: 0; transform: translate(-8px, 8px); transition: .25s; color: var(--teal-bright); }
.location-item.active { background: rgba(114,224,202,.08); padding-left: 38px; }
.location-item.active b { color: var(--teal-bright); }
.location-item.active i { opacity: 1; transform: none; }
.location-stage { min-height: 540px; position: relative; overflow: hidden; background: radial-gradient(circle at 65% 52%, rgba(63,190,168,.16), transparent 26%), linear-gradient(145deg, #0d3145, #071d2d); display: grid; place-items: center; }
.stage-grid { position: absolute; inset: 0; opacity: .13; background-image: linear-gradient(rgba(255,255,255,.23) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.23) 1px, transparent 1px); background-size: 48px 48px; transform: perspective(700px) rotateX(58deg) scale(1.45); transform-origin: center bottom; }
.stage-orbit { position: absolute; width: min(42vw, 410px); aspect-ratio: 1; border: 1px solid rgba(114,224,202,.24); border-radius: 50%; animation: orbit 28s linear infinite; }
.stage-orbit::before, .stage-orbit::after { content: ""; position: absolute; inset: 15%; border: 1px solid rgba(234,184,107,.18); border-radius: 50%; }
.stage-orbit::after { inset: 32%; background: rgba(114,224,202,.06); }
.stage-orbit span { width: 9px; height: 9px; border-radius: 50%; background: var(--teal-bright); position: absolute; box-shadow: 0 0 18px currentColor; }
.stage-orbit span:nth-child(1) { left: 10%; top: 22%; }
.stage-orbit span:nth-child(2) { right: 6%; top: 42%; background: var(--gold); }
.stage-orbit span:nth-child(3) { left: 44%; bottom: -5px; background: var(--coral); }
.stage-info { position: relative; z-index: 2; text-align: center; max-width: 500px; padding: 40px; }
.stage-info > p:first-child { font-size: 9px; letter-spacing: .22em; color: var(--teal-bright); }
.stage-info h3 { font: 600 clamp(44px, 5vw, 72px)/1 "Manrope", sans-serif; letter-spacing: -.05em; margin: 22px 0 14px; }
.stage-info > p:not(:first-child) { color: #a8bac2; }
.stage-tags { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.stage-tags span { padding: 8px 14px; border: 1px solid rgba(255,255,255,.16); border-radius: 99px; font-size: 10px; color: #c4d0d5; }
.stage-code { position: absolute; right: 20px; bottom: -24px; color: rgba(255,255,255,.035); font: 800 clamp(120px, 17vw, 270px)/1 "Manrope"; letter-spacing: -.09em; }

.fit-section { background: #f7f6f0; padding: clamp(90px, 10vw, 150px) clamp(24px, 7vw, 110px); display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(50px, 8vw, 120px); }
.fit-intro { max-width: 570px; }
.fit-intro .section-index { margin-bottom: 30px; color: #087967; }
.fit-intro > p:not(.section-index):not(.fit-note) { color: #60757d; line-height: 1.65; font-size: 16px; }
.fit-note { margin-top: 40px; padding: 20px 0; border-top: 1px solid var(--line); display: flex; gap: 14px; font-size: 12px; line-height: 1.6; color: #71838a; }
.fit-note span { flex: 0 0 20px; height: 20px; display: grid; place-items: center; border: 1px solid #91a0a5; border-radius: 50%; font-size: 10px; }
.configurator { background: white; border-radius: var(--radius); box-shadow: 0 26px 70px rgba(7,29,45,.09); padding: clamp(30px, 4.2vw, 64px); min-height: 560px; }
.config-progress { display: flex; gap: 7px; margin-bottom: 54px; }
.config-progress i { flex: 1; height: 3px; background: #e9ece8; border-radius: 3px; transition: background .3s; }
.config-progress i.active { background: var(--teal); }
.config-step { animation: panelIn .35s both; }
.step-label { font-size: 9px; letter-spacing: .18em; color: #70838a; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.step-label span { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: #e9f6f3; color: #087967; letter-spacing: 0; }
.config-step h3 { font: 600 clamp(28px, 3vw, 41px) "Manrope", sans-serif; letter-spacing: -.035em; margin: 22px 0 32px; }
.choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.choice-grid button { min-height: 112px; background: #fbfcf9; border: 1px solid #e4e8e3; border-radius: 14px; text-align: left; padding: 22px; cursor: pointer; transition: border .2s, transform .2s, box-shadow .2s; }
.choice-grid button:hover, .choice-grid button:focus-visible { border-color: var(--teal); transform: translateY(-2px); box-shadow: 0 12px 25px rgba(7,29,45,.07); }
.choice-grid b, .choice-grid small { display: block; }
.choice-grid b { font: 600 16px "Manrope", sans-serif; }
.choice-grid small { color: #7d8e94; margin-top: 7px; line-height: 1.4; }
.back-button, .reset-button, .text-button { border: 0; padding: 12px 0; margin-top: 20px; background: transparent; cursor: pointer; font-weight: 600; color: #587078; }
.config-result { animation: panelIn .4s both; }
.result-kicker { color: #087967; font-size: 9px; font-weight: 700; letter-spacing: .18em; }
.config-result h3 { font: 600 clamp(34px, 4vw, 52px)/1.08 "Manrope", sans-serif; letter-spacing: -.045em; margin: 20px 0; }
.config-result > p:not(.result-kicker) { color: #64777f; line-height: 1.65; }
.config-result dl { margin: 32px 0; border-top: 1px solid var(--line); }
.config-result dl div { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.config-result dt { color: #7d8d93; }
.config-result dd { margin: 0; font-weight: 700; text-align: right; }
.result-actions { display: flex; align-items: center; gap: 20px; }
.reset-button { margin: 0; }

footer { background: #04141f; color: white; padding: 46px clamp(24px, 7vw, 110px); display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; gap: 20px; }
.footer-brand { justify-self: start; }
footer > p { color: #8ea3ac; font-size: 13px; text-align: center; }
footer > div { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; color: #748a94; font-size: 11px; }
footer > div a { color: var(--teal-bright); }

.meeting-dialog { width: min(1080px, calc(100% - 36px)); padding: 0; border: 0; border-radius: 24px; color: var(--ink); background: white; box-shadow: 0 35px 120px rgba(0,0,0,.45); overflow: hidden; }
.meeting-dialog::backdrop { background: rgba(2,13,21,.78); backdrop-filter: blur(7px); }
.dialog-shell { min-height: 620px; display: grid; grid-template-columns: .82fr 1.18fr; position: relative; }
.dialog-close { position: absolute; z-index: 2; top: 15px; right: 17px; width: 38px; height: 38px; border: 0; border-radius: 50%; background: #edf1ed; cursor: pointer; font-size: 24px; font-weight: 300; }
.dialog-aside { color: white; background: var(--ink); padding: 70px 48px; position: relative; overflow: hidden; }
.dialog-aside::after { content: ""; position: absolute; width: 340px; height: 340px; border: 1px solid rgba(114,224,202,.22); border-radius: 50%; left: -130px; bottom: -150px; box-shadow: 0 0 0 55px rgba(114,224,202,.025), 0 0 0 110px rgba(114,224,202,.02); }
.dialog-aside > p { color: var(--teal-bright); font-size: 9px; letter-spacing: .19em; }
.dialog-aside h2, .meeting-ready h2 { font: 600 38px/1.08 "Manrope", sans-serif; letter-spacing: -.04em; margin: 24px 0 38px; }
.dialog-aside ul { list-style: none; padding: 0; }
.dialog-aside li { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.13); color: #b3c1c7; font-size: 13px; }
.dialog-aside li::before { content: "✓"; color: var(--teal-bright); margin-right: 10px; }
.meeting-form, .meeting-ready { padding: 52px 58px; align-self: center; }
.form-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 30px; }
.form-head span { font: 700 17px "Manrope"; }
.form-head small, .privacy-note { color: #829198; font-size: 10px; }
.meeting-form label { display: block; color: #40565f; font-size: 11px; font-weight: 600; margin-bottom: 16px; }
.meeting-form input, .meeting-form textarea { width: 100%; display: block; margin-top: 8px; border: 1px solid #dce3df; border-radius: 10px; background: #fbfcfa; padding: 13px 14px; outline: none; transition: border .2s, box-shadow .2s; resize: vertical; }
.meeting-form input:focus, .meeting-form textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(63,190,168,.12); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-submit { width: 100%; margin-top: 5px; }
.privacy-note { line-height: 1.5; text-align: center; }
.meeting-ready { grid-column: 2; animation: panelIn .4s both; }
.ready-mark { width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; background: #e6f6f1; color: #087967; font-size: 20px; }
.meeting-ready > p:first-of-type { margin-top: 20px; color: #087967; font-size: 9px; font-weight: 700; letter-spacing: .19em; }
.ready-summary { padding: 18px; border: 1px solid #e3e7e2; border-radius: 12px; background: #f8faf7; color: #52666e; font-size: 12px; line-height: 1.6; white-space: pre-line; }
.ready-actions { display: flex; gap: 22px; align-items: center; margin-top: 24px; }
.ready-actions .text-button { margin: 0; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .75s ease, transform .75s ease; }
.reveal.visible { opacity: 1; transform: none; }

@keyframes pulse { 50% { box-shadow: 0 0 0 9px rgba(114,224,202,0); } }
@keyframes flow { to { stroke-dashoffset: -130; } }
@keyframes ring { 50% { transform: scale(1.25); opacity: .2; } }
@keyframes scroll { 0% { opacity: 0; transform: translateY(0); } 35% { opacity: 1; } 100% { opacity: 0; transform: translateY(13px); } }
@keyframes orbit { to { transform: rotate(360deg); } }
@keyframes panelIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

@media (max-width: 1060px) {
  .hero { height: auto; max-height: none; min-height: 100svh; }
  .hero-grid { grid-template-columns: 1fr; padding-top: 40px; }
  .hero-copy { max-width: 800px; }
  .hero-visual { display: none; }
  .section-heading { grid-template-columns: 1fr 1fr; }
  .section-heading .section-index { grid-column: 1 / -1; }
  .fit-section { grid-template-columns: 1fr; }
  .fit-intro { max-width: 850px; }
}

@media (max-width: 760px) {
  .site-header { height: 68px; }
  .brand { gap: 9px; }
  .brand-logo { width: 92px; }
  .brand-company { padding-left: 9px; }
  .brand-company strong { font-size: 13px; }
  .brand-company small { display: none; }
  .nav-toggle { display: block; }
  .site-header nav { position: absolute; inset: 68px 0 auto; background: rgba(7,29,45,.98); padding: 26px; flex-direction: column; align-items: stretch; transform: translateY(-150%); opacity: 0; transition: .3s; }
  .site-header nav.open { transform: none; opacity: 1; }
  .site-header nav > a { padding: 10px; }
  .hero { min-height: 760px; padding-top: 105px; }
  .hero h1 { font-size: clamp(44px, 14vw, 64px); }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 10px; }
  .text-link { text-align: center; }
  .trust-list { flex-direction: column; gap: 13px; margin-top: 38px; }
  .section-heading { grid-template-columns: 1fr; gap: 22px; margin-bottom: 48px; }
  .section-heading .section-index { grid-column: auto; }
  .model-layout { grid-template-columns: 1fr; }
  .model-tabs { border-right: 0; }
  .model-tab { min-height: 105px; }
  .model-panel { min-height: 480px; }
  .location-explorer { grid-template-columns: 1fr; }
  .location-list { display: grid; grid-template-columns: 1fr 1fr; }
  .location-item { height: 105px; grid-template-columns: 24px 1fr; padding: 0 15px; }
  .location-item i { display: none; }
  .location-item.active { padding-left: 19px; }
  .location-item b { font-size: 16px; }
  .location-item small { font-size: 10px; }
  .location-stage { min-height: 430px; }
  .stage-orbit { width: 75vw; }
  .choice-grid { grid-template-columns: 1fr; }
  .choice-grid button { min-height: 90px; }
  footer { grid-template-columns: 1fr; text-align: center; }
  .footer-brand { justify-self: center; }
  footer > div { align-items: center; }
  .dialog-shell { grid-template-columns: 1fr; }
  .dialog-aside { display: none; }
  .meeting-form, .meeting-ready { grid-column: 1; padding: 54px 24px 30px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .meeting-dialog { max-height: 92svh; overflow-y: auto; }
  .form-head { align-items: flex-start; flex-direction: column; gap: 6px; }
  .ready-actions { flex-direction: column; align-items: stretch; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}